College student associations and community activities are important ways and effective forms of theimplementation of quality education and the cultivation of outstanding construction professionals for the partyand state and are important carriers of the construction of campus culture. They are the concentrated reflectionsof the students' self-management, self-education and self-service. These activities play very important roles ininnovating campus culture, improving their overall quality, guiding students to adapt to society, promotingstudents' employment futures, strengthening students' ideological and political education, practicing thescientific research and maintaining school stability. The article makes the reflection and exploration focusing onthe aspects of mechanism security and concept exploration of the college student associations.